Information disclosure in Moodle

CVE-2014-7831

lib/classes/grades_external.php in Moodle 2.7.x before 2.7.3 does not consider the moodle/grade:viewhidden capability before displaying hidden grades, which allows remote authenticated users to obtain sensitive information by leveraging the student role to access the get_grades web service.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v2 metric

CVSS v2 base score 4.0 (Medium). Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.017 (76.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2014-7831: held from 0.017 to 0.017.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

  • Moodle — versions 2.5.0, 2.5.1, 2.5.2

Weakness classification (CWE)

References